Description

• General description: Tetrabutylammonium bromide is a quaternary ammonium compound widely used as a phase transfer catalyst.[1] TBAB decreases the retention time and removes peak tailing by acting as an ion pair reagent during the chromatographic analysis of quaternary ammonium compounds.[2] In the molten state, TBAB behaves like an ionic liquid, which is a promising green alternative to organic solvents in polymer synthesis.[3][4] It participates as a catalyst during the solvent-free synthesis of biscoumarin and dihydropyrano[c]chromene derivatives.[5]
• Application: Tetrabutylammonium bromide may be used as a catalyst in the synthesis of following:[6]1-cyano-2-thiophenylethane1-cyano-2-thiobutylethane1-cyano-2-(2-aminothiophenyl)ethanemethyl 3-thiophenylpropionatemethyl 3-thiobutylpropionatemethyl 2-methyl-3-thiophenylpropionatemethyl 2-methyl-3-thiobutylpropionate diethyl 2-thiophenylsuccinatediethyl 2-thiobutylsuccinate3-(4-chlorophenyl)-2-nitro-2-thiophenylpropane4-(4-chlorophenyl)-3-nitro-4-thiobutylbutane3-thiophenylcyclohexanone3-thioethylcyclohexanone4-methyl-4-thiophenylpentan-2-one4-methyl-4-thiobutylpentan-2-one4-thiophenylbutan-2-one4-thiobutylbutan-2-one3-thiophenylbutanal3-thiobutylbutanal
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